noun
Rare historical term for a drum used in battle to signal troops or boost morale.
戦国時代の合戦では、かかり太鼓が兵を鼓舞するために打ち鳴らされた。
In battles of the Warring States period, war drums were beaten to inspire the soldiers.
Standard kanji-kana mixed spelling for this rare historical term.
Alternate kanji spelling using 掛り; less common.
Alternate kanji spelling using 掛かり; less common.
陣太鼓 is a more common term for a war drum used in camp or on the battlefield, while かかり太鼓 is a rarer, more specific historical variant.
Compound of かかり (連用形 of 掛かる, here meaning 'to attack' or 'to engage') and 太鼓 (drum). The exact historical derivation is uncertain, but the term likely originated in military contexts.